11210211112212 has 120 divisors (see below), whose sum is σ = 33507209415680. Its totient is φ = 3201485497920.

The previous prime is 11210211112169. The next prime is 11210211112223. The reversal of 11210211112212 is 21221111201211.

It is a happy number.

11210211112212 is a `hidden beast` number, since 11 + 210 + 211 + 11 + 221 + 2 = 666.

It is a super-2 number, since 2×11210211112212² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3974262 + ... + 6181842.

Almost surely, 2^{11210211112212} is an apocalyptic number.

11210211112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11210211112212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16753604707840).

11210211112212 is an abundant number, since it is smaller than the sum of its proper divisors (22296998303468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11210211112212 is a wasteful number, since it uses less digits than its factorization.

11210211112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209843 (or 2209832 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11210211112212 its reverse (21221111201211), we get a palindrome (32431322313423).

The spelling of 11210211112212 in words is "eleven trillion, two hundred ten billion, two hundred eleven million, one hundred twelve thousand, two hundred twelve".